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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

Define statistics. Explain the importance and limitations of statistics. Describe the various measures of central tendency (mean, median, mode) with their merits and demerits.

central-tendencybasics
2long10 marks

Define correlation. Calculate the Karl Pearson coefficient of correlation for a given bivariate data set and interpret the result. Distinguish between correlation and regression.

correlationregression
3long10 marks

Define probability. State and explain the addition and multiplication theorems of probability. State Bayes' theorem and solve a related problem.

probabilitybayes
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

Define mean, median and mode.

central-tendency
5short5 marks

What is the difference between primary and secondary data?

data
6short5 marks

Define standard deviation and variance.

dispersion
7short5 marks

State the classical definition of probability.

probability
8short5 marks

What is a frequency distribution?

frequency-distribution
9short5 marks

Define correlation coefficient.

correlation
10short5 marks

What is a histogram?

graphs
11short5 marks

Define mutually exclusive events.

probability
12short5 marks

What is the coefficient of variation?

dispersion